31291689912

Names of 31291689912

• Cardinal: 31291689912 can be written as Thirty-one billion, two hundred ninety-one million, six hundred eighty-nine thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 3.1291689912 × 10¹⁰

Factors of 31291689912

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 163

Divisors of 31291689912

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 19 21 24 28 31 38 42 56 57 62 76 84 93 101 114 124 133 152 168 186 202 217 228 248 266 303 372 399 404 434 456 532 589 606 651 707 744 798 808 868 961 1064 1178 1212 1302 1414 1596 1736 1767 1919 1922 2121 2356 2424 2604 2828 2883 3131 3192 3534 3838 3844 4123 4242 4712 5208 5656 5757 5766 6262 6727 7068 7676 7688 8246 8484 9393 10201 11514 11532 12369 12524 13433 13454 14136 15352 16492 16968 18259 18786 20181 20402 21917 23028 23064 24738 25048 26866 26908 30603 32984 36518 37572 40299 40362 40804 43834 46056 49476 53732 53816 54777 59489 61206 65751 71407 73036 75144 80598 80724 81608 87668 97061 98952 107464 109554 118978 122412 127813 131502 142814 146072 161196 161448 175336 178467 193819 194122 214221 219108 237956 244824 255626 263004 285628 291183 316231 322392 356934 383439 387638 388244 416423 428442 438216 475912 511252 526008 571256 581457 582366 632462 679427 713868 766878 775276 776488 832846 856884 948693 1022504 1162914 1164732 1249269 1264924 1356733 1358854 1427736 1533756 1550552 1665692 1713768 1844159 1897386 2038281 2213617 2325828 2329464 2498538 2529848 2713466 2717708 3067512 3331384 3688318 3794772 4070199 4076562 4427234 4651656 4997076 5426932 5435416 5532477 6008389 6640851 7376636 7589544 8140398 8153124 8854468 9803161 9994152 10853864 11064954 12016778 12909113 13281702 14753272 16280796 16306248 17708936 18025167 19606322 22129908 24033556 25818226 26563404 29409483 32561592 36050334 38727339 39212644 42058723 44259816 48067112 51636452 53126808 58818966 68622127 72100668 77454678 78425288 84117446 103272904 117637932 126176169 137244254 144201336 154909356 168234892 186260059 205866381 235275864 252352338 274488508 309818712 336469784 372520118 411732762 504704676 548977016 558780177 745040236 823465524 1009409352 1117560354 1303820413 1490080472 1646931048 2235120708 2607640826 3911461239 4470241416 5215281652 7822922478 10430563304 15645844956 31291689912
• Sum of all divisors σ(n): 98216438400
• Sum of proper divisors (its aliquot sum) s(n): 66924748488
• 31291689912 is an abundant number, because the sum of its proper divisors (66924748488) is greater than itself. Its abundance is 35633058576

Bases of 31291689912

• Binary: 11101001001001000010100101110111000₂
• Hexadecimal: 0x749214BB8
• Base-36: EDI9IGO

Squares and roots of 31291689912

• 31291689912 squared (31291689912²) is 979169857548762567744
• 31291689912 cubed (31291689912³) is 30639879553593090689158141398528
• The square root of 31291689912 is 176894.5728732229
• The cube root of 31291689912 is 3151.2026955927

Scales and comparisons

• 31,291,689,912 seconds is equal to 994 years, 50 weeks, 6 days, 8 hours, 5 minutes, 12 seconds.
• To count from 1 to 31,291,689,912 would take you about one thousand, nine hundred eighty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 31291689912 cubic inches would be around 262.6 feet tall.

Recreational maths with 31291689912

• 31291689912 backwards is 21998619213
• The number of decimal digits it has is: 11
• The sum of 31291689912's digits is 51
• More coming soon!